Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6096791 | Sulphur-free expanding, hot hardening shaped parts | Peter Born, Klaus Hoellriegel | 2000-08-01 |
| 5998084 | Radiation-sensitive recording material for the production of planographic printing plates | Andreas Elsaesser, Raimund Haas, Guenter Hultzsch, Peter Lehmann, Rudolf Zertani | 1999-12-07 |
| 5860184 | Process for the mechanical roughening of the surface of a printing plate substrate and cylinder brush for carrying out the process | Stephan J. W. Platzer, Walter Mackert | 1999-01-19 |
| 5775977 | Process for the mechanical roughening of the surface of a printing plate substrate | Stephan J. W. Platzer, Walter Mackert | 1998-07-07 |
| 5378584 | Radiation-sensitive recording material with a positive-working, radiation-sensitive layer having a rough surface containing a surfactant having polysiloxane units | Hans W. Frass, Ernst-August Hackmann, Klaus Joerg, Dietmar Koenneke, Andreas Elsaesser | 1995-01-03 |
| 5328797 | Process for producing a negative-working lithographic printing form utilizing solvent mixture of mono-(C.sub.1 -C.sub.4) alkyl ether of diethylene glycol and a solvent having boiling point between 50.degree. and 150.degree. C. | Roman Keiper, Siegfried Nuernberger, Sabine Pilger | 1994-07-12 |
| 4853938 | He--Ne gas discharge tube | Werner W. Jungbluth, Dieter H. Laschinski | 1989-08-01 |
| 4339530 | Developer mixture for developing exposed light-sensistive copying layers | Gerhard Sprintschnik, Gerhard Buhr | 1982-07-13 |
| 4337307 | Light-sensitive diazo composition and material with branched polyurethane resin | — | 1982-06-29 |